SL-12 R/B(2), 19400

Orbit data source: Space-Track

SL-12 R/B(2), 19400 is space debris in GEO originally from a launch on Thu, 18 Aug 1988 UTC launched from the Tyuratam Missile And Space Complex (TTMTR). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.

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Iframe URL

https://www.satcat.com/sats-embedded/19400?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

19400, 1988-071D

Orbit

GEO

Country

CIS

Related business

Russian Strategic Rocket Forces (RU)

Manufacturer

NPO Energiya

Mission

Spacecraft

Bus & Motor

BLOK DM, Unknown motor

Mass

2,440 kg wet, 2,440 kg dry

Launch date (UTC)

1988-08-18 (38 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 3.1 m

Radar Cross Section

23.597 m², Large (>1 m²)

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Last TLE update: 21 hours ago

TLE from 21 hours ago

0 SL-12 R/B(2)
1 19400U 88071D   26248.51249388  .00000102  00000-0  00000-0 0  9993
2 19400  11.1555 328.5331 0020280 243.4331 165.4480  1.00546120133511

Epoch: 2026-09-05T12:17Z

TLE epoch observation values (Epoch: 2026-09-05T12:17:59.471Z)

Latitude

8.38379°

Longitude

-152.18554°

Altitude

35,791.326 km

Speed

3.072 km/s

True Right ascension

01h 07m 43s

True Declination

8° 22' 32"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

01:19:40

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,796.234 km

Perigee altitude

35,625.521 km

Semi-major axis

42,089.014 km

Eccentricity

0.00203

Inclination

11.1555°

RAAN

328.5331°

Arg. of periapsis

243.4331°

True anomaly

165.50625°

Mean anomaly

165.448°

Eccentric anomaly

165.47714°

Mean motion

0.25136 °/min

Orbital period

1,432.23 mins

BSTAR

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Computing Atmospheric mass density...

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Other satellites on launch #71 in the year 1988 (1988-08-18 UTC)

GORIZONT 16, 19397

SL-12 R/B(1), 19398 (Decayed)

SL-12 R/B(AUX MOTOR), 19401 (Decayed)

SL-12 R/B(AUX MOTOR), 19402 (Decayed)

SL-12 PLAT, 19399 (Decayed)

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SL-12 R/B(2) Visibility forecast

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Span	Click to sort rows by Start time (UTC) header in descending order	Start Az.	Max El. time (UTC)	Max El. Az.	Max El.	End time (UTC)	End Az.
1440 mins	2026-09-06 09:18:12.837Z	238.787° WSW	2026-09-06 15:17:12.837Z	247.243° WSW	33.384°	2026-09-07 09:18:12.837Z	238.22° WSW

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19400 neighbors

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out SL-12 R/B(2), 19400 on other resources

View SL-12 R/B(2), 19400 on Heavens-Above

View SL-12 R/B(2), 19400 on Keep Track

View SL-12 R/B(2), 19400 on Celestrak

View SL-12 R/B(2), 19400 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

SL-12 R/B(2), 19400

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 21 hours ago

TLE from 21 hours ago

TLE epoch observation values (Epoch: 2026-09-05T12:17:59.471Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #71 in the year 1988 (1988-08-18 UTC)

SL-12 R/B(2) Visibility forecast

19400 neighbors

Co-orbital & Co-planar RSOs

Check out SL-12 R/B(2), 19400 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 21 hours ago